linux-hardening - [PATCH] powerpc: Remove initialisation of readpos

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Date: Tue, 24 Oct 2023 15:55:59 +0100
From: "Matthew Wilcox (Oracle)" <willy@...radead.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>,
	Kees Cook <keescook@...omium.org>,
	Christoph Hellwig <hch@....de>,
	Justin Stitt <justinstitt@...gle.com>,
	linux-hardening@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Petr Mladek <pmladek@...e.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH] powerpc: Remove initialisation of readpos

While powerpc doesn't use the seq_buf readpos, it did explicitly
initialise it for no good reason.

Fixes: d0ed46b60396 ("tracing: Move readpos from seq_buf to trace_seq")
Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 arch/powerpc/kernel/setup-common.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 2f1026fba00d..34975532e44c 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -601,7 +601,6 @@ struct seq_buf ppc_hw_desc __initdata = {
 	.buffer = ppc_hw_desc_buf,
 	.size = sizeof(ppc_hw_desc_buf),
 	.len = 0,
-	.readpos = 0,
 };
 
 static __init void probe_machine(void)
-- 
2.40.1